Other Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2012

Other Accrued Liabilities [Abstract]

Schedule of Other Accrued Liabilities

	December 31,		June 30,
	2011		2012
	(In thousands)
Current:
Employee benefits	$	16,549	$	18,655
Self insurance		6,686		7,023
Environmental		240		194
Other		5,886		5,647
Total	$	29,361	$	31,519
Noncurrent:
Workers compensation payments	$	1,243	$	1,349
Environmental		165		140
Other		483		482
Total	$	1,891	$	1,971